diff --git a/vncviewer/CViewOptions.cxx b/vncviewer/CViewOptions.cxx
new file mode 100644
index 0000000..089c4c4
--- /dev/null
+++ b/vncviewer/CViewOptions.cxx
@@ -0,0 +1,364 @@
+/* Copyright (C) 2002-2004 RealVNC Ltd.  All Rights Reserved.
+ *    
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#include <vncviewer/CViewOptions.h>
+#include <rfb/Configuration.h>
+#include <rfb/encodings.h>
+#include <rfb/vncAuth.h>
+#include <rfb/LogWriter.h>
+#include <rfb_win32/Win32Util.h>
+#include <rfb_win32/Registry.h>
+#include <rdr/HexInStream.h>
+#include <rdr/HexOutStream.h>
+#include <stdlib.h>
+
+using namespace rfb;
+using namespace rfb::win32;
+
+
+static BoolParameter useLocalCursor("UseLocalCursor", "Render the mouse cursor locally", true);
+static BoolParameter useDesktopResize("UseDesktopResize", "Support dynamic desktop resizing", true);
+
+static BoolParameter fullColour("FullColour",
+                         "Use full colour (default is to use low colour "
+                         "unless auto select decides the link is fast enough)",
+                         false);
+static IntParameter lowColourLevel("LowColourLevel",
+                         "Colour level to use on slow connections. "
+                         "0 = Very Low (8 colours), 1 = Low (64 colours), 2 = Medium (256 colours)",
+                         1);
+static BoolParameter fullScreen("FullScreen",
+                         "Use the whole display to show the remote desktop."
+                         "(Press F8 to access the viewer menu)",
+                         false);
+static StringParameter preferredEncoding("PreferredEncoding",
+                         "Preferred graphical encoding to use - overridden by AutoSelect if set. "
+                         "(ZRLE, Hextile or Raw)", "ZRLE");
+
+static BoolParameter autoSelect("AutoSelect", "Auto select pixel format and encoding", true);
+static BoolParameter sharedConnection("Shared",
+                         "Allow existing connections to the server to continue."
+                         "(Default is to disconnect all other clients)",
+                         false);
+
+static BoolParameter sendPtrEvents("SendPointerEvents",
+                         "Send pointer (mouse) events to the server.", true);
+static BoolParameter sendKeyEvents("SendKeyEvents",
+                         "Send key presses (and releases) to the server.", true);
+
+static BoolParameter clientCutText("ClientCutText",
+                         "Send clipboard changes to the server.", true);
+static BoolParameter serverCutText("ServerCutText",
+                         "Accept clipboard changes from the server.", true);
+
+static BoolParameter protocol3_3("Protocol3.3",
+                         "Only use protocol version 3.3", false);
+
+static IntParameter ptrEventInterval("PointerEventInterval",
+                         "The interval to delay between sending one pointer event "
+                         "and the next.", 0);
+static BoolParameter emulate3("Emulate3",
+                         "Emulate middle mouse button when left and right buttons "
+                         "are used simulatenously.", false);
+
+static BoolParameter acceptBell("AcceptBell",
+                         "Produce a system beep when requested to by the server.",
+                         true);
+
+static StringParameter monitor("Monitor", "The monitor to open the VNC Viewer window on, if available.", "");
+static StringParameter menuKey("MenuKey", "The key which brings up the popup menu", "F8");
+
+
+CViewOptions::CViewOptions()
+: useLocalCursor(::useLocalCursor), useDesktopResize(::useDesktopResize),
+autoSelect(::autoSelect), fullColour(::fullColour), fullScreen(::fullScreen),
+shared(::sharedConnection), sendPtrEvents(::sendPtrEvents), sendKeyEvents(::sendKeyEvents),
+preferredEncoding(encodingZRLE), clientCutText(::clientCutText), serverCutText(::serverCutText),
+protocol3_3(::protocol3_3), acceptBell(::acceptBell), lowColourLevel(::lowColourLevel),
+pointerEventInterval(ptrEventInterval), emulate3(::emulate3), monitor(::monitor.getData())
+{
+  CharArray encodingName(::preferredEncoding.getData());
+  preferredEncoding = encodingNum(encodingName.buf);
+  setMenuKey(CharArray(::menuKey.getData()).buf);
+}
+
+
+void CViewOptions::readFromFile(const char* filename) {
+  FILE* f = fopen(filename, "r");
+  if (!f)
+    throw rdr::Exception("Failed to read configuration file");
+
+  try { 
+    char line[4096];
+    CharArray section;
+
+    CharArray hostTmp;
+    int portTmp = 0;
+
+    while (!feof(f)) {
+      // Read the next line
+      if (!fgets(line, sizeof(line), f)) {
+        if (feof(f))
+          break;
+        throw rdr::SystemException("fgets", ferror(f));
+      }
+      int len=strlen(line);
+      if (line[len-1] == '\n') {
+        line[len-1] = 0;
+        len--;
+      }
+
+      // Process the line
+      if (line[0] == ';') {
+        // Comment
+      } else if (line[0] == '[') {
+        // Entering a new section
+        if (!strSplit(&line[1], ']', &section.buf, 0))
+          throw rdr::Exception("bad Section");
+      } else {
+        // Reading an option
+        CharArray name;
+        CharArray value;
+        if (!strSplit(line, '=', &name.buf, &value.buf))
+          throw rdr::Exception("bad Name/Value pair");
+
+        if (stricmp(section.buf, "Connection") == 0) {
+          if (stricmp(name.buf, "Host") == 0) {
+            hostTmp.replaceBuf(value.takeBuf());
+          } else if (stricmp(name.buf, "Port") == 0) {
+            portTmp = atoi(value.buf);
+          } else if (stricmp(name.buf, "UserName") == 0) {
+            userName.replaceBuf(value.takeBuf());
+          } else if (stricmp(name.buf, "Password") == 0) {
+            int len = 0;
+            CharArray obfuscated;
+            rdr::HexInStream::hexStrToBin(value.buf, &obfuscated.buf, &len);
+            if (len == 8) {
+              password.replaceBuf(new char[9]);
+              memcpy(password.buf, obfuscated.buf, 8);
+              vncAuthUnobfuscatePasswd(password.buf);
+              password.buf[8] = 0;
+            }
+          }
+        } else if (stricmp(section.buf, "Options") == 0) {
+            // V4 options
+          if (stricmp(name.buf, "UseLocalCursor") == 0) {
+            useLocalCursor = atoi(value.buf);
+          } else if (stricmp(name.buf, "UseDesktopResize") == 0) {
+            useDesktopResize = atoi(value.buf);
+          } else if (stricmp(name.buf, "FullScreen") == 0) {
+            fullScreen = atoi(value.buf);
+          } else if (stricmp(name.buf, "FullColour") == 0) {
+            fullColour = atoi(value.buf);
+          } else if (stricmp(name.buf, "LowColourLevel") == 0) {
+            lowColourLevel = atoi(value.buf);
+          } else if (stricmp(name.buf, "PreferredEncoding") == 0) {
+            preferredEncoding = encodingNum(value.buf);
+          } else if ((stricmp(name.buf, "AutoDetect") == 0) ||
+                     (stricmp(name.buf, "AutoSelect") == 0)) {
+            autoSelect = atoi(value.buf);
+          } else if (stricmp(name.buf, "Shared") == 0) {
+            shared = atoi(value.buf);
+          } else if (stricmp(name.buf, "SendPtrEvents") == 0) {
+            sendPtrEvents = atoi(value.buf);
+          } else if (stricmp(name.buf, "SendKeyEvents") == 0) {
+            sendKeyEvents = atoi(value.buf);
+          } else if (stricmp(name.buf, "SendCutText") == 0) {
+            clientCutText = atoi(value.buf);
+          } else if (stricmp(name.buf, "AcceptCutText") == 0) {
+            serverCutText = atoi(value.buf);
+          } else if (stricmp(name.buf, "Emulate3") == 0) {
+            emulate3 = atoi(value.buf);
+          } else if (stricmp(name.buf, "PointerEventInterval") == 0) {
+            pointerEventInterval = atoi(value.buf);
+          } else if (stricmp(name.buf, "Monitor") == 0) {
+            monitor.replaceBuf(value.takeBuf());
+          } else if (stricmp(name.buf, "MenuKey") == 0) {
+            setMenuKey(value.buf);
+
+            // Legacy options
+          } else if (stricmp(name.buf, "Preferred_Encoding") == 0) {
+            preferredEncoding = atoi(value.buf);
+          } else if (stricmp(name.buf, "8bit") == 0) {
+            fullColour = !atoi(value.buf);
+          } else if (stricmp(name.buf, "FullScreen") == 0) {
+            fullScreen = atoi(value.buf);
+          } else if (stricmp(name.buf, "ViewOnly") == 0) {
+            sendPtrEvents = sendKeyEvents = !atoi(value.buf);
+          } else if (stricmp(name.buf, "DisableClipboard") == 0) {
+            clientCutText = serverCutText = !atoi(value.buf);
+          }
+        }
+      }
+    }
+    fclose(f); f=0;
+
+    // Process the Host and Port
+    if (hostTmp.buf) {
+      int hostLen = strlen(hostTmp.buf) + 2 + 17;
+      host.replaceBuf(new char[hostLen]);
+      strCopy(host.buf, hostTmp.buf, hostLen);
+      if (portTmp) {
+        strncat(host.buf, "::", hostLen-1);
+        char tmp[16];
+        sprintf(tmp, "%d", portTmp);
+        strncat(host.buf, tmp, hostLen-1);
+      }
+    }
+
+    setConfigFileName(filename);
+  } catch (rdr::Exception&) {
+    if (f) fclose(f);
+    throw;
+  }
+}
+
+void CViewOptions::writeToFile(const char* filename) {
+  FILE* f = fopen(filename, "w");
+  if (!f)
+    throw rdr::Exception("Failed to write configuration file");
+
+  try {
+    // - Split server into host and port and save
+    fprintf(f, "[Connection]\n");
+
+    fprintf(f, "Host=%s\n", host.buf);
+    if (userName.buf)
+      fprintf(f, "UserName=%s\n", userName.buf);
+    if (password.buf) {
+      // - Warn the user before saving the password
+      if (MsgBox(0, _T("Do you want to include the VNC Password in this configuration file?\n")
+                    _T("Storing the password is more convenient but poses a security risk."),
+                    MB_YESNO | MB_DEFBUTTON2 | MB_ICONWARNING) == IDYES) {
+        char obfuscated[9];
+        memset(obfuscated, 0, sizeof(obfuscated));
+        strCopy(obfuscated, password.buf, sizeof(obfuscated));
+        vncAuthObfuscatePasswd(obfuscated);
+        CharArray obfuscatedHex = rdr::HexOutStream::binToHexStr(obfuscated, 8);
+        fprintf(f, "Password=%s\n", obfuscatedHex.buf);
+      }
+    }
+
+    // - Save the other options
+    fprintf(f, "[Options]\n");
+
+    fprintf(f, "UseLocalCursor=%d\n", (int)useLocalCursor);
+    fprintf(f, "UseDesktopResize=%d\n", (int)useDesktopResize);
+    fprintf(f, "FullScreen=%d\n", (int)fullScreen);
+    fprintf(f, "FullColour=%d\n", (int)fullColour);
+    fprintf(f, "LowColourLevel=%d\n", lowColourLevel);
+    fprintf(f, "PreferredEncoding=%s\n", encodingName(preferredEncoding));
+    fprintf(f, "AutoSelect=%d\n", (int)autoSelect);
+    fprintf(f, "Shared=%d\n", (int)shared);
+    fprintf(f, "SendPtrEvents=%d\n", (int)sendPtrEvents);
+    fprintf(f, "SendKeyEvents=%d\n", (int)sendKeyEvents);
+    fprintf(f, "SendCutText=%d\n", (int)clientCutText);
+    fprintf(f, "AcceptCutText=%d\n", (int)serverCutText);
+    fprintf(f, "Emulate3=%d\n", (int)emulate3);
+    fprintf(f, "PointerEventInterval=%d\n", pointerEventInterval);
+    if (monitor.buf)
+      fprintf(f, "Monitor=%s\n", monitor.buf);
+    fprintf(f, "MenuKey=%s\n", CharArray(menuKeyName()).buf);
+    fclose(f); f=0;
+
+    setConfigFileName(filename);
+  } catch (rdr::Exception&) {
+    if (f) fclose(f);
+    throw;
+  }
+}
+
+
+void CViewOptions::writeDefaults() {
+  RegKey key;
+  key.createKey(HKEY_CURRENT_USER, _T("Software\\RealVNC\\VNCviewer4"));
+  key.setBool(_T("UseLocalCursor"), useLocalCursor);
+  key.setBool(_T("UseDesktopResize"), useDesktopResize);
+  key.setBool(_T("FullScreen"), fullScreen);
+  key.setBool(_T("FullColour"), fullColour);
+  key.setInt(_T("LowColourLevel"), lowColourLevel);
+  key.setString(_T("PreferredEncoding"), TStr(encodingName(preferredEncoding)));
+  key.setBool(_T("AutoSelect"), autoSelect);
+  key.setBool(_T("Shared"), shared);
+  key.setBool(_T("SendPointerEvents"), sendPtrEvents);
+  key.setBool(_T("SendKeyEvents"), sendKeyEvents);
+  key.setBool(_T("ClientCutText"), clientCutText);
+  key.setBool(_T("ServerCutText"), serverCutText);
+  key.setBool(_T("Protocol3.3"), protocol3_3);
+  key.setBool(_T("AcceptBell"), acceptBell);
+  key.setBool(_T("Emulate3"), emulate3);
+  key.setInt(_T("PointerEventInterval"), pointerEventInterval);
+  if (monitor.buf)
+    key.setString(_T("Monitor"), TStr(monitor.buf));
+  key.setString(_T("MenuKey"), TCharArray(menuKeyName()).buf);
+}
+
+
+void CViewOptions::setUserName(const char* user) {userName.replaceBuf(strDup(user));}
+void CViewOptions::setPassword(const char* pwd) {password.replaceBuf(strDup(pwd));}
+void CViewOptions::setConfigFileName(const char* cfn) {configFileName.replaceBuf(strDup(cfn));}
+void CViewOptions::setHost(const char* h) {host.replaceBuf(strDup(h));}
+void CViewOptions::setMonitor(const char* m) {monitor.replaceBuf(strDup(m));}
+
+void CViewOptions::setMenuKey(const char* keyName) {
+  if (!keyName[0]) {
+    menuKey = 0;
+  } else {
+    menuKey = VK_F8;
+    if (keyName[0] == 'F') {
+      UINT fKey = atoi(&keyName[1]);
+      if (fKey >= 1 && fKey <= 12)
+        menuKey = fKey-1 + VK_F1;
+    }
+  }
+}
+char* CViewOptions::menuKeyName() {
+  int fNum = (menuKey-VK_F1)+1;
+  if (fNum<1 || fNum>12)
+    return strDup("");
+  CharArray menuKeyStr(4);
+  sprintf(menuKeyStr.buf, "F%d", fNum);
+  return menuKeyStr.takeBuf();
+}
+
+
+CViewOptions& CViewOptions::operator=(const CViewOptions& o) {
+  useLocalCursor = o.useLocalCursor;
+  useDesktopResize = o.useDesktopResize;
+  fullScreen = o.fullScreen;
+  fullColour = o.fullColour;
+  lowColourLevel = o.lowColourLevel;
+  preferredEncoding = o.preferredEncoding;
+  autoSelect = o.autoSelect;
+  shared = o.shared;
+  sendPtrEvents = o.sendPtrEvents;
+  sendKeyEvents = o.sendKeyEvents;
+  clientCutText = o.clientCutText;
+  serverCutText = o.serverCutText;
+  emulate3 = o.emulate3;
+  pointerEventInterval = o.pointerEventInterval;
+  protocol3_3 = o.protocol3_3;
+  acceptBell = o.acceptBell;
+  setUserName(o.userName.buf);
+  setPassword(o.password.buf);
+  setConfigFileName(o.configFileName.buf);
+  setHost(o.host.buf);
+  setMonitor(o.monitor.buf);
+  menuKey = o.menuKey;
+  return *this;
+}
\ No newline at end of file